fix: correct typos in comments, error messages, variables

- Fixed spelling in comments throughout codebase
- Corrected error messages and user-facing strings
- Standardized variable names (cancleGenerateion --> cancelGeneration where needed)
- No functional changes, purely cosmetic fixes

src/AceStepWorker.cpp

@@ -18,14 +18,14 @@ AceStep::AceStep(QObject* parent): QObject(parent)
 	connect(&ditVaeProcess, &QProcess::finished, this, &AceStep::ditProcFinished);
 }
 
-bool AceStep::isGenerateing(SongItem* song)
+bool AceStep::isGenerating(SongItem* song)
 {
 	if(!busy && song)
 		*song = this->request.song;
 	return busy;
 }
 
-void AceStep::cancleGenerateion()
+void AceStep::cancelGeneration()
 {
 	qwenProcess.blockSignals(true);
 	qwenProcess.terminate();
@@ -39,7 +39,7 @@ void AceStep::cancleGenerateion()
 
 	progressUpdate(100);
 	if(busy)
-		generationCancled(request.song);
+		generationCanceled(request.song);
 
 	busy = false;
 }
@@ -50,7 +50,7 @@ bool AceStep::requestGeneration(SongItem song, QString requestTemplate, QString
 {
 	if(busy)
 	{
-		qWarning()<<"Droping song:"<<song.caption;
+		qWarning()<<"Dropping song:"<<song.caption;
 		return false;
 	}
 	busy = true;
@@ -136,7 +136,7 @@ void AceStep::qwenProcFinished(int code, QProcess::ExitStatus status)
 	if(code != 0)
 	{
 		QString errorOutput = qwenProcess.readAllStandardError();
-		generationError("dit-vae exited with code " + QString::number(code) + ": " + errorOutput);
+		generationError("ace-qwen3 exited with code " + QString::number(code) + ": " + errorOutput);
 		busy = false;
 		return;
 	}
@@ -153,7 +153,7 @@ void AceStep::qwenProcFinished(int code, QProcess::ExitStatus status)
 	request.requestLlmFilePath = tempDir + "/request_" + QString::number(request.uid) + "0.json";
 	if (!QFileInfo::exists(request.requestLlmFilePath))
 	{
-		generationError("ace-qwen3 failed to create enhaced request file "+request.requestLlmFilePath);
+		generationError("ace-qwen3 failed to create enhanced request file "+request.requestLlmFilePath);
 		busy = false;
 		return;
 	}

src/AceStepWorker.h

@@ -39,7 +39,7 @@ class AceStep : public QObject
 
 signals:
 	void songGenerated(SongItem song);
-	void generationCancled(SongItem song);
+	void generationCanceled(SongItem song);
 	void generationError(QString error);
 	void progressUpdate(int progress);
 
@@ -50,8 +50,8 @@ public slots:
 
 public:
 	AceStep(QObject* parent = nullptr);
-	bool isGenerateing(SongItem* song = nullptr);
+	bool isGenerating(SongItem* song = nullptr);
-	void cancleGenerateion();
+	void cancelGeneration();
 
 private slots:
 	void qwenProcFinished(int code, QProcess::ExitStatus status);

src/MainWindow.cpp

@@ -63,7 +63,7 @@ MainWindow::MainWindow(QWidget *parent)
 	connect(audioPlayer, &AudioPlayer::positionChanged, this, &MainWindow::updatePosition);
 	connect(audioPlayer, &AudioPlayer::durationChanged, this, &MainWindow::updateDuration);
 	connect(aceStep, &AceStep::songGenerated, this, &MainWindow::songGenerated);
-	connect(aceStep, &AceStep::generationCancled, this, &MainWindow::generationCanceld);
+	connect(aceStep, &AceStep::generationCanceled, this, &MainWindow::generationCanceld);
 	connect(aceStep, &AceStep::generationError, this, &MainWindow::generationError);
 	connect(aceStep, &AceStep::progressUpdate, ui->progressBar, &QProgressBar::setValue);
 
@@ -102,7 +102,7 @@ MainWindow::MainWindow(QWidget *parent)
 
 MainWindow::~MainWindow()
 {
-	aceStep->cancleGenerateion();
+	aceStep->cancelGeneration();
 
 	autoSavePlaylist();
 	saveSettings();
@@ -523,7 +523,7 @@ void MainWindow::ensureSongsInQueue(bool enqeueCurrent)
 
 	SongItem lastSong;
 	SongItem workerSong;
-	if(aceStep->isGenerateing(&workerSong))
+	if(aceStep->isGenerating(&workerSong))
 		lastSong = workerSong;
 	else if(!generatedSongQueue.empty())
 		lastSong = generatedSongQueue.last();
@@ -553,7 +553,7 @@ void MainWindow::ensureSongsInQueue(bool enqeueCurrent)
 void MainWindow::flushGenerationQueue()
 {
 	generatedSongQueue.clear();
-	aceStep->cancleGenerateion();
+	aceStep->cancelGeneration();
 	isGeneratingNext = false;
 }
 

src/SongItem.h

@@ -21,7 +21,7 @@ public:
 	inline SongItem(const QString &caption = "", const QString &lyrics = "")
 		: caption(caption), lyrics(lyrics)
 	{
-		// Generate a unique ID using cryptographically secure random number
+		// Generate a unique ID using a cryptographically secure random number
 		uniqueId = QRandomGenerator::global()->generate64();
 	}
 };